Provides Javascript wrappers for MQTT.
Dependencies: mbed-http DEVI2C_JS MQTTPacket FP
Diff: MQTT_JS.h
- Revision:
- 0:f4dbe435e64c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MQTT_JS.h Wed Jan 17 11:30:51 2018 +0100
@@ -0,0 +1,137 @@
+/*
+ * @file MQTT_JS.h
+ * @author ST
+ * @version V1.0.0
+ * @date 9 October 2017
+ * @brief Implementation of MQTT for Javascript.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Prevent recursive inclusion -----------------------------------------------*/
+
+#ifndef _MQTT_JS_H_
+#define _MQTT_JS_H_
+
+/* Includes ------------------------------------------------------------------*/
+
+#include "mbed.h"
+#include "TCPSocket.h"
+#include "MQTTClient.h"
+#include "MQTTNetwork.h"
+#include "MQTTmbed.h"
+
+#include "NetworkInterface_JS.h"
+
+#include "jerryscript-mbed-library-registry/wrap_tools.h"
+
+#include <ctype.h>
+
+/* Constants -----------------------------------------------------------------*/
+
+#define MQTT_MAX_PACKET_SIZE 250
+#define MQTT_MAX_PAYLOAD_SIZE 300
+
+#define MAX_SSID_LEN 80
+#define MAX_PASSW_LEN 80
+
+#define HTTP_BROKER_URL "http://customer.cloudmqtt.com/login"
+
+typedef void (* subscribeCallbackType)(MQTT::MessageData & msgMQTT);
+
+/* Class Declaration ---------------------------------------------------------*/
+
+/**
+ * Abstract class of MQTT for Javascript.
+ */
+class MQTT_JS{
+private:
+ char ssid[MAX_SSID_LEN];
+ char seckey[MAX_PASSW_LEN];
+
+ char id[32];
+ char topic[32];
+ char auth_token[32];
+ char hostname[128];
+ char port[16];
+
+ int connack_rc; // MQTT connack return code
+ char* ip_addr;
+ char type[30];
+ bool netConnecting;
+ int connectTimeout;
+ bool mqttConnecting;
+ bool netConnected;
+ bool connected;
+ int retryAttempt;
+ char subscription_url[300];
+ MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE>* client;
+ MQTTNetwork* mqttNetwork;
+
+ static jerry_value_t onSubscribeCallback;
+
+public:
+
+ /* Constructors */
+ MQTT_JS();
+
+ /* Destructors */
+ ~MQTT_JS();
+
+ /* Functions */
+
+ NetworkInterface* getNetworkInterface();
+
+ int onSubscribe(jerry_value_t cb);
+ int onDisconnect(jerry_value_t cb, subscribeCallbackType fn);
+
+ static void subscribe_cb(MQTT::MessageData & msgMQTT);
+
+ int init(NetworkInterface* network, char* _id, char* _token, char* _url, char* _port);
+
+ int connect();
+
+ int subscribe(char *pubTopic);
+
+ int unsubscribe(char *pubTopic);
+
+ int connect(NetworkInterface* network);
+
+ int getConnTimeout(int attemptNumber);
+
+ void attemptConnect(NetworkInterface* network) ;
+
+ int publish(char* buf, int n = 0);
+
+ int yield(int time);
+
+ int start_mqtt(NetworkInterface* network);
+};
+
+#endif
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